2004 Volkswagen Passat TDI Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2004 Volkswagen Passat TDI
2004 Volkswagen Passat TDI Problems
Erratic turn signal operation can be a result of a failing turn signal flasher relay which will require replacement.
Because of issues with the glow plugs and/or the glow plug wiring harness from the control relay, the Check Engine Light may illuminate. Our technicians tell us there is a service bulletin, not a recall from Volkswagen regarding replacement of the glow plugs on 2004-2005 model years only.
2004 Volkswagen Passat TDI Questions
how do you check the transmission fluid on a 2004 vw passat